68436-61-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68436-61-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,4,3 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 68436-61:
(7*6)+(6*8)+(5*4)+(4*3)+(3*6)+(2*6)+(1*1)=153
153 % 10 = 3
So 68436-61-3 is a valid CAS Registry Number.
68436-61-3Relevant articles and documents
SYNTHESIS OF ANALOGUES OF NATURAL PRECOCENES CONTAINING A 8-METHYL SUBSTITUENT
Timar, Tibor,Hosztafi, Sandor,Jaszberenyi, J. Csaba
, p. 617 - 630 (2007/10/02)
The synthesis of benzopyran compounds (VIIIa-q), analogues of precocene I (I) substituted on C-8 in the aromatic ring with a methyl group, is described.